{"id":423999,"date":"2025-03-02T08:20:49","date_gmt":"2025-03-02T08:20:49","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/double-body-simulation-vs-freesurface\/"},"modified":"2026-01-22T15:56:38","modified_gmt":"2026-01-22T15:56:38","slug":"double-body-simulation-vs-freesurface","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/double-body-simulation-vs-freesurface\/","title":{"rendered":"Double body simulation vs freesurface"},"content":{"rendered":"<p>&lt;p&gt;I made a fast ship simulation in freesurface with overset grid, I want to know the effect of freesurface so I simulated doublebody in the same simulation settings as freesurface. but the ship&#8217;s resistance actually jumped far from the freesurface simulation especially on pressure resistance, what setup is wrong with my simulation, is there anything that is set differently from the freesurface simulation?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-423999","topic","type-topic","status-closed","hentry","topic-tag-fluent","topic-tag-overset-1","topic-tag-ship"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["153328"],"_bbp_topic_id":["423999"],"_bbp_author_ip":["157.10.8.161"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["423999"],"_bbp_last_active_time":["2025-03-02 08:20:49"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["2"],"_bbp_voice_count":["1"],"_btv_view_count":["257"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["575518","643037"],"_bbp_engagement":["134958"],"_bbp_status":["publish"]},"test":"ilhamkurniamubaraqstudents-undip-ac-id"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/423999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/423999\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=423999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}